Cheap flights from Posadas to Ontario

One-way fares from $1,449 · PSS → ONT · prices found by travellers in the last 48 hours

Compare all dates Ontario → Posadas
Cheapest fare
$1,449

Aerolineas Argentinas · Thu, Nov 12

Cheapest month
November

from $1,449

Direct flights
Not recently

Usually 1+ stop

Quickest trip
15h 30m

9,430 km

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Cheapest month to fly from Posadas to Ontario

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $1,449

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Where to stay, what to do and getting around, from our travel partners.

Where to stay

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Things to do

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Getting around

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About flights from Posadas to Ontario

Posadas (PSS) and Ontario (ONT) are about 9,430 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 15h 30m. Over the next few months, one-way fares start from $1,449, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Posadas to Ontario?

The cheapest one-way fare we've seen recently is $1,449 with Aerolineas Argentinas, departing Thursday, November 12, 2026.

What is the cheapest month to fly from Posadas to Ontario?

November 2026 currently has the lowest fares, from $1,449 one way.

Are there direct flights from Posadas to Ontario?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Posadas to Ontario?

The quickest journey we've seen takes about 15h 30m. Posadas and Ontario are around 9,430 km apart.

Which airlines fly from Posadas to Ontario?

Recent fares on this route were with Aerolineas Argentinas.

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